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OTHER SIZES & HEAD STYLES SUCH AS ROUND HEAD AND FLAT HEAD AVAILABLE (Please Call)

OTHER SIZES & HEAD STYLES SUCH AS ROUND HEAD AND FLAT HEAD AVAILABLE      (Please Call)A fastening system consisting of two matching steel wings, an internally threaded nut with protrusions which serves as a pivot attaching the two wings, a wire spring providing the necessary tension to open and close the wings, and a machine screw which mates with the nut.